Finding the Fourth Proportional to 119,653.59, 165,123.06 and 65,940.53

Step by Step Solution

1. Step 1: Write the proportion equation
   119,653.59 : 165,123.06 = 65,940.53 : x
2. Step 2: Convert to fraction form
   119,653.59/165,123.06 = 65,940.53/x
3. Step 3: Cross multiply
   119,653.59x = 165,123.06 × 65,940.53
4. Step 4: Simplify right side
   119,653.59x = 10,888,302,091.62
5. Step 5: Solve for x
   x = 10,888,302,091.62/119,653.59
6. Step 6: Final answer
   x = 90,998.54